4391146 has 8 divisors (see below), whose sum is σ = 6694884. Its totient is φ = 2159520.

The previous prime is 4391131. The next prime is 4391161. The reversal of 4391146 is 6411934.

It is an interprime number because it is at equal distance from previous prime (4391131) and next prime (4391161).

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 27225 = 2089^2 + 165^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×4391146³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17875 + ... + 18118.

Almost surely, 2^4391146 is an apocalyptic number.

4391146 is a deficient number, since it is larger than the sum of its proper divisors (2303738).

4391146 is a wasteful number, since it uses less digits than its factorization.

4391146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36056.

The product of its digits is 2592, while the sum is 28.

The square root of 4391146 is about 2095.5061441093. The cubic root of 4391146 is about 163.7542671226.

The spelling of 4391146 in words is "four million, three hundred ninety-one thousand, one hundred forty-six".